/* 
 * Copyright (c) 2009 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the
 *   distribution.
 * - Neither the name of the copyright holders nor the names of its
 *   contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * Generic module representing a peripheral clock.
 *
 * @author Thomas Schmid
 */

#include "pmchardware.h"

generic module HplSam3PeripheralClockP (uint8_t pid, uint32_t pio_addr) @safe()
{
    provides
    {
        interface HplSam3PeripheralClockCntl as Cntl;
    }
}

implementation
{
    async command void Cntl.enable()
    {
        pmc_pcer_t pcer = ((volatile pmc_pc_t *) (pio_addr))->pcer;
        pcer.flat |= ( 1 << pid );
        ((volatile pmc_pc_t *) (pio_addr))->pcer = pcer;
    }

    async command void Cntl.disable()
    {
        pmc_pcdr_t pcdr = ((volatile pmc_pc_t *) (pio_addr))->pcdr;
        pcdr.flat |= ( 1 << pid );
        ((volatile pmc_pc_t *) (pio_addr))->pcdr = pcdr;

    }

    async command bool Cntl.status()
    {
        if(((volatile pmc_pc_t *) (pio_addr))->pcsr.flat & (1 << pid))
            return TRUE;
        else
            return FALSE;
    }
}
